How many moles are there when you have 3.5 g SO3?​

As per ideal gas equation ,

 [tex]C_{3}H_{6}[/tex] Volume   = 11.56 L

[tex]CO_{2\\}[/tex] volume =  8.62L

What is Ideal gas equation?

PV = nRT

[tex]C_{3} H_{6}[/tex] gas burns in air according to following equation:

[tex]2C_{3}H_{6}[/tex] + [tex]9O_{2}[/tex] → [tex]6CO_{2}[/tex] + [tex]6H_{2} O[/tex]

Volume of [tex]C_{3} H_{6}[/tex] produced;

Step 1 : Calculate the moles of [tex]H_{2} O[/tex]

PV = nRT

n = PV / RT

n = 0.762 × 34.7 / 0.08206 × 302.55

n = 1.065 mol

Step 2: Calculate the moles of [tex]C_{3} H_{6}[/tex]

1.065 mol [tex]H_{2} O[/tex]× 2 mol [tex]C_{3} H_{6\\}[/tex] / 6 mol [tex]H_{2} O[/tex]

= 0.355 mol

Step 3 : Calculate new volume

V = 0.355 × 0.08206 × 302.55 / 0.762

V = 11.56 L

Volume of [tex]CO_{2}[/tex] produced;

Step 1: Calculate the moles of [tex]O_{2}[/tex]

18.7g [tex]O_{2}[/tex] × 1 mol [tex]O_{2}[/tex] / 32 g [tex]O_{2}[/tex]

= 0.58 mol

Step 2: calculate the moles of [tex]CO_{2}[/tex]

0.58 mol × 6mol [tex]CO_{2}[/tex] / 9 mol [tex]O_{2}[/tex]

= 0.38 mol

Step3: convert mol to litres

0.38 × 22.7L / 1mol [tex]CO_{2}[/tex]          [22.7L = 1mol]

= 8.62 L

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The concentration of the acetic acid before titration is 0.128M

For weak acid and strong base titration-

Moles of acetic acid =  moles of NaOH

Given concentration of NaOH = 0.1067M

Volume of NaOH = 30.07ml = 0.03007L

Using the formula, Concentration = Moles/Volume

Moles of NaOH = concentration X volume = 0.1067 X 0.03007 = 0.0032

Therefore, moles of acetic acid  = 0.0032mole

Using the formula, Concentration = Moles/Volume

Concentration of acetic acid =  0.0032/0.025 = 0.128M

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Answer:

A

Explanation:

looking at both equity

and mortgage bond fixtures

I would rather say secured bond fit into not being backed by any specific collateral

Answer:

D.) K, Mn, As, Ar

Explanation:

The metalloids are located in the p-block on the periodic table and have a ladder-like arrangement.

The most commonly recognized metalloids are:

boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te)

Answer:

0.01 moles NaCl

Explanation:

It seems that the given volumes are unnecessary information.

To find the moles NaCl, you need to convert moles HCl and NaOH to moles NaCl via the balanced chemical equation. Specifically, you need to use the mole-to-mole ratio made up of the reaction coefficients. The reason why you need to convert both reactants is because you have not been given a limiting reagent. The smallest amount of moles NaCl calculated will be the final answer.

The balanced reaction:

HCl + NaOH -----> NaCl + H₂O

0.1 moles HCl         1 mole NaCl
----------------------  x  ----------------------  =  0.1 moles NaCl
                                  1 mole HCl

 0.01 moles NaOH           1 mole NaCl
-----------------------------  x  -----------------------  =  0.01 moles NaCl
                                         1 mole NaOH

NaOH produces the smallest amount of product. This means it is completely used up before HCl runs out. Therefore, NaOH is the limiting reagent and 0.01 moles NaCl are actually produced.

Explanation:

However if the two atoms have different affinities for electrons, or electronegativities, then the electrons are more likely to be found closer to the more electronegative atom. In this case, the more electronegative atom gains a partial negative charge, while the less electronegative atom becomes partially positive.

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Answer:

larger the intermolecular forces in a compound, the slower its evaporation rate

Explanation:

socratic

The incorrect rule for assigning oxidation numbers is Hydrogen is usually –1.

Hydrogen is usually +1

Oxidation numbers can be defined as that number which is assigned to an element in chemical reaction which represents the number of electrons lost or gained.

So therefore, the incorrect rule for assigning oxidation numbers is Hydrogen is usually –1.

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Answer:

B: Oxygen is usually –2.

Explanation:

Despite the fact that viruses and ambient bacteria found indoors could both be mesophiles, at 37 degrees Celsius, the temperature of the human body, pathogens would develop more quickly than environmental strains.

A virus would be an infectious submicroscopic creature that only reproduces inside of live cells.

Although bacteria may survive at higher and lower temperatures than humans, they thrive in an environment which really is warm, wet, protein-rich, and pH neutral as well as slightly acidic.

Therefore, Despite the fact that viruses and ambient bacteria found indoors could both be mesophiles, at 37 degrees Celsius, the temperature of the human body, pathogens would develop more quickly than environmental strains.

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Control rods in a nuclear reactor control a chain reaction by absorbing neutrons. Option C

The control rods are rods that are inserted into the nuclear reactor in order to absorb the neutrons thereby preventing the nuclear reaction from going out of hand.

Hence, control rods in a nuclear reactor control a chain reaction by absorbing neutrons. Option C

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Ionization of Gold:

The maximum wavelength of light that will ionize gold is 134.5 x 10 ⁻⁴m  

Calculation:

1 mole requires = 890.1kJ = 8.901×10⁵ J

The energy needed to ionize a single atom = Divide it by Avogadro's number (6.0221409×10²³)

Thus, 1 atom requires = 8.901×10⁵ J / 6.0221409×10²³ J

                                    =  1.478×10⁻¹⁸ J

The Energy of photon = E = hc/λ   where,

h =  Planck constant (6.626070040Ă—10â’34 Js)

λ =  the wavelength

c = the speed of light

Putting the values:

E = 1.478×10⁻¹⁸ J

h =6.63x10⁻³⁴ Js

c = 3 x 10⁸ m/s

λ = ?

λ = hc/E

  = (6.63x10⁻³⁴ x 3 x 10⁸ ) / 1.478×10⁻¹⁸

  = 134.5 x 10 ⁻⁴m  

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A  positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link; option A.

A correlation is a relationship that exists between two variables.

A positive correlation indicates a direct relationship while a negative correlation shows an inverse relationship.

However, a positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link.

In conclusion, a correlation indicates a relationship between two values.

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Answer:

correct answer is sodium

Explanation:

element is most active in this question is sodium please make me Brilliant to this correct answer

NaBrO₃ (sodium bromate) is an ionic compound. It consists of a metal (sodium, Na) and a polyatomic ion (bromate, BrO₃⁻).

Ionic compounds are compounds composed of positive and negative ions held together by electrostatic forces. They are formed through the transfer of electrons between atoms, resulting in the formation of positively charged cations and negatively charged anions.

In an ionic compound, the cations are typically metal ions, while the anions are usually nonmetal ions or polyatomic ions. The transfer of electrons occurs from the metal atom(s) to the nonmetal atom(s), resulting in the formation of a crystal lattice structure.

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Potassium can be a component of the cream.

An element's presence can be determined using a flame test. The potassium in cream of tartar is what gives it its white-purple color.

Low ionization enthalpy elements allow the flame to display color. Due to low ionization enthalpy, when an element is heated, its valence electrons are quickly excited to higher orbits and emit light as they return to their original orbit. Salts of potassium emit a white-purple color when ignited. The cream of tartar's chemical formula is KC₄H₅O₆.

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Answer:

.577 atm

Explanation:

P1 V1  = P2 V2

RE-ARRANGE TO     P2 = P1 V1 / V2

Sub in the given values

  P2 = 1.15 * .414 / .825 = .577 atm

Correct option:

Entropy is used to calculate information gain.

What is entropy?

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The stoichiometric coefficient in front of the oxygen ([tex]O_{2}[/tex]) in the balanced version of the reaction will be 6.

The number that must be present before the atoms, molecules, or ions is known as the stoichiometric coefficient. Fractions, as well as whole numbers, can be used as stoichiometric coefficients. Essentially, the coefficients assist us in determining the mole ratio of reactants to products.

The balanced chemical reaction will be

[tex]C_{4} H_{8} +6O_{2}[/tex] → [tex]4CO_{2} +4H_{2} O[/tex]

It can be seen that the stoichiometric coefficient in front of oxygen is 6.

Therefore, stoichiometric coefficient in front of oxygen will be 6.

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Organic chemistry is defined as the study of compounds containing carbon element .

In an organic chemistry, we study about structure, properties , composition, reaction and preparation of carbon congaing compounds.The organic compound is contains mainly carbon and hydrogen and other elements. The other elements in organic compounds are nitrogen, oxygen,sulfur, phosphorus, halogen and etc.

Organic chemistry is also refer as carbon chemistry .The carbon element is important because it is center elements of living organism and it is very basic for all live in the earth. By studying about organic chemistry , scientist get to know about human body and living organism.

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For the mentioned reaction, the balanced chemical equation is:

KBr (aq) + AgNO3 (s) → KNO3 (aq) + AgBr(s)

The number written in front of the ion, atoms, and molecules in a chemical reaction so that each of the elements on both the sides of reactants and products of the equation gets balanced is known as the stoichiometric coefficient.

From the mentioned balanced equation, the stoichiometric coefficient before KBr is 1, AgNO3 is 1, KNO3 is 1, as well as before AgBr is also 1. Thus, it is clear that 1 mole of potassium bromide reacts with 1 mole of silver nitrate to produce 1 mole of potassium nitrate and 1 mole of silver bromide.

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Answer:

The three-point test

Explanation:

The three-point test refers to a ground test utilizing an auxiliary current electrode and an auxiliary potential electrode.

The balanced molecular equation for this reaction is

2HCl(aq) + Ba(OH)2(aq) ===> BaCl2(aq) + 2H2O(l).

The neutralization of hydrochloric acid and barium hydroxide.

Molecular formula for hydrochloric acid is HCl and barium hydroxide is Ba(OH)2.

Hydrochloric acid and barium hydroxide is aqueous in nature.

HCl have one H+ ion and barium hydroxide has two hydroxide (OH) group.

So, it will take two HCl to neutralize one Ba(OH)2.

Hence, equation for this reaction is

2HCl(aq) + Ba(OH)2(aq) ===> BaCl2(aq) + 2H2O(l).

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An example of investigating an intensive property is determining if a rock is magnetic. That is option C.

Intensive property is defined as the property of a substance that doesn't rely on the amount of the substance.

Examples of Intensive property include:

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Answer:

the smoke one

Explanation:

it can be made aware of and people can raise money to stop it/ help it

Answer: b

Explanation:

Answer: the answer is not c

Explanation: I don't know the correct answer, but I took the test and I know it is not c

Answer:

b is the answer

Explanation:

bc i said so

Answer:

50.0 °C

Explanation:

If all other variables are being held constant, you can find the temperature using Guy-Lussac's Law. The equation looks like this:

P₁ / T₁ = P₂ / T₂

In this equation, "P₁" and "T₁" represent the initial pressure and temperature. "P₂" and "T₂" represent the final pressure and temperature. You can find the missing temperature (T₂) by plugging the given values into the equation and simplifying.

P₁ = 405 pKa                    P₂ = 1013 pKa

T₁ = 20 °C                         T₂ = ? °C

P₁ / T₁ = P₂ / T₂                                              <----- Guy-Lussac's Law

405 pKa / 20 °C = 1013 pKa / T₂                  <----- Insert values

20.25 = 1013 pKa / T₂                                   <----- Divide 20 from 405

20.25 x T₂ = 1013 pKa                                  <----- Multiply both sides by T₂

T₂ = 50.0 °C                                                  <----- Divide both sides by 20.25

Answer:

506.81J

Explanation:

H = MC(T1 - T0)

H = 5 × 0.897 × (419 - 306)

H = 5 × 0.897 × 113

H = 506.81 J

As per specific heat of aluminium ,506.81 J of energy is gained  by the sample.

Specific heat capacity is defined as the amount of energy required to raise the temperature  of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.

It varies with temperature  and is different for each state of  matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.

It is given by the formula ,

Q=mcΔT

For the given example, Q=energy

m=mass=5 g, C=0.897 J/g.K

T₂=419 K

T₁=306 K

substituting in the formula ,Q=5×0.897(419-306)=506.81 J.

Thus, 506.81 J of energy is required.

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Answer:

Can you be more clear with your question

A reasonable explanation for the disappearance of these fish is the high acidity affecting fish metabolism.

pH is a very important parameter to consider, as it has a direct effect on the metabolism and physiological processes of fish and other aquatic organisms. The pH tolerance range for fish is between 4.0 and 9.0, while the ideal index is between 6.5 and 8.0

With this information, we can conclude that The various fish species differ in terms of the best pH. The pH range between 6.5 – 9.0 is generally recommended for freshwater species. For marine species, the most recommended PH range is between 7.8-8.4.

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